Deep discharging of EV batteries is not recommended ^85%

Deep Discharging of EV Batteries: A Misconception That Can Harm Your Electric Vehicle

As electric vehicles (EVs) continue to gain popularity, many drivers are eager to get the most out of their battery life. However, there's a common misconception that deep discharging – allowing your EV's battery to drain down to zero before recharging it – can help extend its lifespan. But is this really the case?

The Risks of Deep Discharging

Deep discharging an EV's battery can have unintended consequences on its longevity and overall health.

• It can cause stress on the battery cells, leading to a reduction in their capacity over time.
• Frequent deep discharges can lead to a decrease in the battery's state of charge (SOC) cycles, which can affect its lifespan.
• Additionally, deep discharging can also reduce the battery's overall performance and efficiency.

What is State of Charge (SOC)?

State of charge refers to the level of energy stored in an EV's battery. When you plug your car into a charger, the SOC increases until it reaches 100%. Conversely, when you're using your EV, the SOC decreases as the battery discharges.

The Benefits of Maintaining a Healthy SOC

Maintaining a healthy state of charge is essential for extending the lifespan of your EV's battery. Here are some reasons why:

• Keeping the SOC between 20% and 80% can help reduce stress on the battery cells.
• Avoiding frequent deep discharges and shallow charges can also help maintain the battery's overall health.

Conclusion

While it may be tempting to think that deep discharging your EV's battery will extend its lifespan, the risks associated with this practice far outweigh any potential benefits. By understanding the importance of maintaining a healthy state of charge and avoiding frequent deep discharges, you can help ensure your electric vehicle remains in top condition for years to come. So, next time you're about to leave your car plugged in, remember: it's always better to err on the side of caution and keep that SOC between 20% and 80%!